Finding the Fourth Proportional to 564,641,098.68, 778,963,013.20 and 352,579,772.06
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Solution
The fourth proportional to 564,641,098.68, 778,963,013.20 and 352,579,772.06 is: 486,409,158.45
Step by Step Solution
- Step 1: Write the proportion equation
564,641,098.68 : 778,963,013.20 = 352,579,772.06 : x - Step 2: Convert to fraction form
564,641,098.68/778,963,013.20 = 352,579,772.06/x - Step 3: Cross multiply
564,641,098.68x = 778,963,013.20 × 352,579,772.06 - Step 4: Simplify right side
564,641,098.68x = 274,646,601,637,226,784 - Step 5: Solve for x
x = 274,646,601,637,226,784/564,641,098.68 - Step 6: Final answer
x = 486,409,158.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.